Show that the projection angle for a projectile launched from the origin is given by
`theta_0 = tan^-1((4h_m)/R)`
where the symbols have their usual meaning.

Show that the projection angle theta_0 for a projectile launched from the origin is given by theta_0=tan^(-1)((4H)/R) Where the symbols have their usual meaning.

Prove that barx_1 < barx < barx_2 where the symbols have their usual meanings.

Deduce the equation s = ut +(1)/(2) at^(2) , where symbols have their usual meanings.

Define angle of deviation. Show that angle of deviation incase of refracion of light through a prism is delta = i_1+i_2 -A where the symbols have their usual meanings.

Are the following data consistent if b_1 = 0.7 and b_2 = 1.5 (symbol have their usual meanings)

For minimum deviation delta_(m) , assuming that angle of incidence = angle of emergent, show that the refractive index of the material of the prism is mu = (sin""(A + delta_(m))/(2))/(sin""(A)/(2)) Or, Show the ray diagram of a ray of light through a thick another face. Show that delta = i _1 + i_2 - A and A = r_1 + r_2 . The symbols have their usual meaning.

The wavelength lamda of a photon and the de Broglie wavelength of an electron have the same value. Show that the energy of the photon is (2 lamda mc)/(h) times of the kinetic energy of the electron. Here m, c and h have their usual meaning.

In a Young's double slit experiment, two wavelengths of 500nm and 700 nm were used. What is the minimum distance from the central maximum where their maxima's coincide again? (Take D/d=1000) . Symbols have their usual meanings